[Student/Student] There are actually 6 Chapters but
The story is about Natsujiko Sakurada who won 3 Trillion in the Lottery and switches to a private school for millionaire's children, all to find his childhood friend, who played baseball with him in the past. The school is run by a pair of well-known, intelligent twins of the Jinnai family but unexpectedly there's no baseball club at the school and his roommate, one of the twins acts very cold towards him.
Asayake No Diamond Life